Researchers may be able to induce adult cells to behave like embryonic stem cells an important advance in stem cell therapy.
Embryonic stem cells :
Embryonic stem cells are found in the inner cell mass of the human blastocyst, an early stage of the developing embryo lasting from the 4th to 7th day after fertilization. In normal embryonic development, they disappear after the 7th day, and begin to form the three embryonic tissue layers.
How embryonic stem cells are obtained?
Stem cells are now being collected from human embryos. In most cases, the embryos that are used have been aborted or left over from in vitro fertilization procedures. Although not technically feasible at this time, researchers expect that it is possible to clone stem cells from a patient's own somatic cells.
Cell therapy :
Cellular therapy (CT) is the transplantation of human cells to replace or repair damaged tissue and/or cells. With new technologies, innovative products, and limitless imagination, many different types of cells may be used as part of a therapy or treatment for a variety of diseases and conditions.
Learn more about stem cell therapy :
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The last option is corrrect because when one species move away from an environment or die it lead to decrease in biodiversity as well as the overall health of ecosystem also decreases.
Sight is the answer a newborn can barley see
The kidney in a human body is located <span>underneath the diaphragm. This is near the lower back
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Answer:
Explanation:
Muscles are the main form of movement within the wing, extending and contracting the wing, similar to the movement in an arm. Tendons are strands of tough connective tissue that connect the skeletal muscles to bones. Tendons move the wing up and down, allowing for flight and vertical movements. Without tendons, muscles and bones are independent from each other, so by connecting muscles and bones, whenever a muscle contracts or moves, the bone moves as well. Once the bone and muscle have the ability to move together, the body itself can thus be moved in different ways. Muscles also initiate body movements, and, being attached to the bones by the tendons, it controls the movements of the chicken wing by being pushed back and forth. Ligament is the type of connective tissue that connects bones to other bones. The ligaments will allow the bones to move and still keep the bones together in the joint. Cartilages are composed mostly of long, stringy collagen fibers that create bands of tough, fibrous connective tissue. They connect bone to bone at joints and function to reduce friction and protect the ends of the bones when the joint moves. Joints connect the bones together and creates flexibility of the movement being controlled by the muscles and tendons.
